Neural TubeNeurulationAnencephalyNeural CrestSpinal DysraphismChick EmbryoNervous SystemNotochordCentral Nervous SystemPollen TubeGene Expression Regulation, DevelopmentalNeural Tube DefectsBody PatterningFolic AcidQuailIn Situ HybridizationSpina Bifida OccultaCoturnixRhombencephalonSomitesHedgehog ProteinsMorphogenesisEctodermEmbryonic InductionFallopian TubesEmbryo, MammalianPregnancyMesodermPaired Box Transcription FactorsEncephaloceleMeningomyeloceleEustachian TubeHomeodomain ProteinsSpina Bifida CysticaChest TubesEmbryonic and Fetal DevelopmentEmbryo, NonmammalianTranscription FactorsVitamin B ComplexZebrafish ProteinsSpinal CordEmbryonic DevelopmentAvian ProteinsPreconception CareNeural PlateTissue TransplantationCranial NervesZebrafishCell DifferentiationBone Morphogenetic ProteinsMesencephalonCell MovementPrenatal DiagnosisNerve Tissue ProteinsWnt3 ProteinXenopus ProteinsCongenital AbnormalitiesGastrulaMice, Mutant StrainsSignal TransductionFood, FortifiedWnt ProteinsTailFolic Acid DeficiencyWnt1 ProteinMolecular Sequence DataFallopian Tube NeoplasmsCulture TechniquesNeuroepithelial CellsTeratogensIntubation, GastrointestinalChimeraGenes, HomeoboxTrans-ActivatorsCell PolarityDNA-Binding ProteinsAbortion, Therapeuticalpha-FetoproteinsProsencephalonInfant, NewbornFetal DeathProteinsLIM-Homeodomain ProteinsNeuronsMutationStem CellsFetal Tissue TransplantationImmunohistochemistryPrenatal CareUrochordataVertebratesSkullMice, TransgenicBone Morphogenetic Protein 4PhenotypeDiencephalonDietary SupplementsXenopus laevisBasic Helix-Loop-Helix Transcription FactorsTime Factors